Reland "[swarming] Use go client to collect task"

This is a reland of d0a3d72947784d80c6522f9dd1fe8fc109fda5ba

This was tested on
$ led get-builder luci.chromium.try:android-marshmallow-arm64-rel | led edit-recipe-bundle | led edit-cr-cl https://chromium-review.googlesource.com/c/chromium/src/+/1364995 | led lunch
https://chromium-swarm.appspot.com/task?id=419bbc7873b24510

I keep to use python client for v8 in
https://chromium-review.googlesource.com/c/chromium/tools/build/+/1365471

Original change's description:
> [swarming] Use go client to collect task
>
> This replaces swarming-py to luci-go client.
> * Change some flag names
> * Change the way to handle summary json in collect_task.py
>
> This is tested on
> $ led get-builder luci.chromium.try:win7_chromium_rel_ng | led edit-recipe-bundle | led edit-cr-cl https://chromium-review.googlesource.com/c/chromium/src/+/1363730 | led lunch
> * https://chromium-swarm.appspot.com/task?id=419859da9066ec10 and
> * https://chromium-swarm.appspot.com/task?id=419859fce0922510
>
> Recipe-Nontrivial-Roll: build_limited_scripts_slave
> Bug: 868878, 894045
> Change-Id: I06273a9be7e9ec9c058bcf4bdb259ac5d7c60d3b
> Reviewed-on: https://chromium-review.googlesource.com/c/1333174
> Reviewed-by: Marc-Antoine Ruel <maruel@chromium.org>
> Commit-Queue: Takuto Ikuta <tikuta@chromium.org>

Recipe-Nontrivial-Roll: build_limited_scripts_slave
Bug: 868878, 894045
Change-Id: I0c7c59e86204cb784bf6b39d4f9767f93e2b36cb
Reviewed-on: https://chromium-review.googlesource.com/c/1365470
Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
Reviewed-by: Marc-Antoine Ruel <maruel@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
253 files changed
tree: 496c22cca300acb7f42314e7f871195937ef8518
  1. infra/
  2. masters/
  3. scripts/
  4. site_config/
  5. slave/
  6. tests/
  7. third_party/
  8. .gitattributes
  9. .gitignore
  10. .vpython
  11. codereview.settings
  12. DEPS
  13. environment.cfg.py
  14. LICENSE
  15. OWNERS
  16. PRESUBMIT.py
  17. README.md
  18. WATCHLISTS
README.md

build

Hi build contributor! If you do any change in scripts/master/ or touching any master's html/ directories, you must restart master.chromium.fyi first and ensure that it still works before restarting other masters.

Recipes

If you're here to make a change to ‘recipes’ (the code located in scripts/slave/recipes*), please take a look at the README for more information pertaining to recipes.